The invention discloses an engine cylinder cover lifting appliance and a locking method. The engine cylinder cover lifting appliance comprises two longitudinal arms, a transverse arm, a transverse supporting rod, long plug pins, a connecting rod I, a connecting rod II, a connecting rod III, an operating rod and side wall rods, wherein the side walls of the lower ends of the longitudinal arms are provided with notches, the transverse arm is inserted into the notches in the longitudinal arms, two ends of the transverse supporting rod are connected with the upper ends of the longitudinal arms ina fastened mode respectively, supporting cylinders are arranged at two ends of the transverse arm, a hinge seat is arranged in the middle of the transverse arm, the long plug pins are inserted into the supporting cylinders, the upper ends of the long plug pins are locked by nuts, the connecting rod I is fixedly connected with the side wall of the hinge seat, the lower end of the connecting rod IIis hinged to the upper end of the connecting rod I, the upper end of the connecting rod II is connected with a long groove in the connecting rod III through a pin shaft, the middle part of the connecting rod III is hinged with the hinge seat, the operating rod is axially limited and circumferentially hinged with the side surface of the connecting rod II, the number of the side wall rods is two, the two side wall rods are connected with the longitudinal arms in a fastened mode, and a handle rod is arranged between the two side wall rods. The machining precision of a hole or a cavity in the sideface of an engine cylinder cover is guaranteed, the lifting is convenient and labor-saving, collision accidents are avoided, and thus the lifting is safer and more reliable.

    本发明公开了一种发动机缸盖吊具及锁止方法,包括纵臂、横臂、横撑杆、长插销、连杆一、连杆二、连杆三、操作杆和侧壁杆,纵臂设有两个,纵臂下端侧壁设有缺口,横臂插入纵臂上的缺口,横撑杆两端分别与纵臂上端紧固连接,横臂两端设有支撑筒,横臂中间设有铰接座,长插销插入支撑筒中,上端被螺母锁紧,连杆一与铰接座侧壁紧固连接,连杆二下端与连杆一上端铰接,连杆二上端通过销轴与连杆三上的长槽连接,连杆三中部与铰接座铰接,操作杆与连杆二侧面轴向限位周向铰接,侧壁杆设有两个,且分别与纵臂紧固连接,两个侧壁杆之间设有把手杆,保证发动机缸盖侧面的孔或者腔体的加工精度,吊装方便省力,避免造成碰撞事故,吊装更加安全可靠。


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    Title :

    Engine cylinder cover lifting appliance and locking method


    Additional title:

    一种发动机缸盖吊具及锁止方法


    Contributors:
    LI BO (author) / DU WEI (author) / HUANG YAOPENG (author) / YE YAO (author) / WANG SHOUPING (author) / LIU SHAN (author) / QIANG JUNLONG (author) / YUE XIUCHAO (author) / REN PENGCHAO (author) / ZHU HAIJING (author)

    Publication date :

    2020-11-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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